Reminiscences of Golf on St Andrews Links is must-read for an in-depth study of The Old Course. It represents a literary snapshot of the golf course during the late 19th century.
The Classics of Golf published the book in 1987 (ISBN 9780940889149). Forgotten Books did so again in 2017 (IBSN 9781527723481). First Editions do come up for sale but command a premium.